result of Pix is more precise than double 717 out of 720 times 3 results were exact to double the precision 20 largest ulp errors (from result in accumulator) 0.00024 ulp for Pix(-0.239057980400000036) = -0.751022795006652921) 0.00024 ulp for Pix(0.107421758999936667) = 0.337475408909894248) 0.00024 ulp for Pix(0.118152693199999645) = 0.371187632958967562) 0.00024 ulp for Pix(0.435898091400000465) = 1.36941424165605374) 0.00024 ulp for Pix(1.99999999999999978) = 6.28318530717958534) 0.00024 ulp for Pix(0.999999999999999889) = 3.14159265358979267) 0.00024 ulp for Pix(-0.701694440599999969) = -2.20443809965375959) 0.00024 ulp for Pix(-0.69695149699999992) = -2.18953770288360827) 0.00024 ulp for Pix(0.350766107600274213) = 1.10196422676530847) 0.00024 ulp for Pix(-0.426553727999989696) = -1.34005805824610635) 0.00024 ulp for Pix(-0.838454332999999497) = -2.63408197292332824) 0.00024 ulp for Pix(-0.491538323600285876) = -1.54421318638050065) 0.00024 ulp for Pix(-0.789293982800167271) = -2.47964017788763424) 0.00024 ulp for Pix(0.947947697000005474) = 2.97806552088258014) 0.00024 ulp for Pix(0.483933816199999645) = 1.52032292179759199) 0.00024 ulp for Pix(-0.620286544599999656) = -1.94868765163595659) 0.00024 ulp for Pix(-0.429154498600000489) = -1.3482286200567728) 0.00023 ulp for Pix(0.0577936698000001275) = 0.181564168467674703) 0.00023 ulp for Pix(-0.477825138200000221) = -1.50113194386964821) 0.00023 ulp for Pix(-0.250596107800005019) = -0.787270891282691565) 20 largest ulp errors (stored in a double) 0.50023 ulp for Pix(-0.415758014399929599) = -1.30614232370989836) 0.50020 ulp for Pix(-0.250596107799992474) = -0.787270891282652263) 0.50019 ulp for Pix(0.116007481799998854) = 0.364448252584328003) 0.50016 ulp for Pix(0.895974109599999347) = 2.81478568052601386) 0.50015 ulp for Pix(0.0788602521999755279) = 0.247746788971681453) 0.50014 ulp for Pix(0.67268860219998261) = 2.11331357082505189) 0.50013 ulp for Pix(0.435898091399967103) = 1.36941424165594894) 0.50013 ulp for Pix(0.196586753199998854) = 0.617595499646186097) 0.50013 ulp for Pix(0.1160074818000114) = 0.364448252584367416) 0.50011 ulp for Pix(0.162448403800018848) = 0.510346711965527389) 0.50010 ulp for Pix(0.895974109600099711) = 2.81478568052632916) 0.50010 ulp for Pix(-0.429154498600004375) = -1.34822862005678479) 0.50008 ulp for Pix(-0.250596107799942291) = -0.787270891282494611) 0.50008 ulp for Pix(0.672688602200082975) = 2.11331357082536719) 0.50007 ulp for Pix(-0.436803014199966921) = -1.37225714047649427) 0.50007 ulp for Pix(0.0947018946000014739) = 0.297514776356399557) 0.50006 ulp for Pix(-0.696951496999941966) = -2.18953770288342664) 0.50005 ulp for Pix(0.926453970400045179) = 2.91054098729787736) 0.50005 ulp for Pix(-0.777861345999996456) = -2.44372349010505729) 0.50003 ulp for Pix(0.159154943092337103) = 0.500000000001387779) Pix7200.50023-0.415758014399929599-1.30614232370989836